--- a/src/proto2/NetworkSession.hh	Fri Nov 28 14:31:16 2008 +0000
+++ b/src/proto2/NetworkSession.hh	Fri Nov 28 15:14:39 2008 +0000
@@ -2,6 +2,7 @@
 #define NETWORK_SESSION_HH
 
 #include <map>
+#include <stdint.h>
 
 // forward-declare
 class NetworkSession;